Search a number
-
+
57427628 = 2279263691
BaseRepresentation
bin1101101100010…
…0011010101100
311000001121220012
43123010122230
5104200141003
65410512352
71265061326
oct333043254
9130047805
1057427628
112a464255
12172956b8
13bb8915b
1478ac616
1550958d8
hex36c46ac

57427628 has 24 divisors (see below), whose sum is σ = 102305280. Its totient is φ = 28201680.

The previous prime is 57427621. The next prime is 57427651. The reversal of 57427628 is 82672475.

57427628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57427621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82763 + ... + 83453.

It is an arithmetic number, because the mean of its divisors is an integer number (4262720).

Almost surely, 257427628 is an apocalyptic number.

It is an amenable number.

57427628 is a deficient number, since it is larger than the sum of its proper divisors (44877652).

57427628 is a wasteful number, since it uses less digits than its factorization.

57427628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1035 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 57427628 is about 7578.1018731606. The cubic root of 57427628 is about 385.8101297129.

The spelling of 57427628 in words is "fifty-seven million, four hundred twenty-seven thousand, six hundred twenty-eight".

Divisors: 1 2 4 79 158 263 316 526 691 1052 1382 2764 20777 41554 54589 83108 109178 181733 218356 363466 726932 14356907 28713814 57427628